Juliann Ashcraft, whose husband, Andrew Ashcraft, was one of 19 firefighters killed Sunday while battling the Yarnell Hill fire near Prescott, Ariz., hugs her father-in-law, Tom Ashcraft, in front of a memorial at Prescott Fire Station #7 on Monday. The firefighters were trapped by a wildfire that exploded tenfold in a matter of hours and continued to grow.